Calculate the correlation coefficient, r, for the data below.0 29y - 19 - 17 0XO A. 0.792OB. 0.8810.9900.819O C.O D.6438 - 11 - 1578 1-3- 3 - 175-10 -6

Given data is x y 0 -19 2 -17 9 0 6 -8 4 -11 3 -15 5 -10 7 -6 8 -3 1 -17

Answered: Calculate the correlation coefficient,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Which correlation coefficient indicates that you have the strongest connection between the variables in the data? O r= 0.88 O r= -0.89 O r= 0.93 O r= -0.95 ent.mastensonnect.com/ Ipe bese to search
The correlation coefficient between variables X and Y is 0.68. What does this signify? a. When X increases by 1, Y increases by 0.68 b. When Y increases 1, X increases by 0.68 c. The variance shared by X and Y is 68% d. The variance shared by X and Y is less 20%
Which of the R values below is consistent with a "perfect" correlation? a. 0.0 b. 0.5 c. -1.0 d. 0.95
Match each scatterplot shown below with one of the four specified correlation coefficients. 8 89% 0 go eagle 880 09 O a. b. 0.42 c. 0.88 -0.44 -0.85 d.
Which statement regarding correlation is true? A. The dependent variable is assigned to the Y axis. B. The independent variable is assigned to the X axis. C. The Y and X axis are interchangeable.
Which of the following correlation coefficients indicate the strongest relationship between two variables? A .20 B .87 C .80 D -.95
Assume that you have paired values consisting of heights (in inches) and weights (in lb) from 40 randomly selected men. The linear correlation coefficient r is 0.594. Find the value of the coefficient of determination. What practical information does the coefficient of determination provide? Choose the correct answer below. O A. The coefficient of determination is 0.353. 64.7% of the variation is explained by the linear correlation, and 35.3% is explained by other factors. O B. The coefficient of determination is 0.647. 35.3% of the variation is explained by the linear correlation, and 64.7% is explained by other factors. O C. The coefficient of determination is 0.647. 64.7% of the variation is explained by the linear correlation, and 35.3% is explained by other factors. O D. The coefficient of determination is 0.353. 35.3% of the variation is explained by the linear correlation, and 64.7% is explained by other factors.
The data below are the ages and annual pharmacy b ills (in dollars) of 9 randomly selected employees. Calculate the linear correlation coefficient.Age, x: 30, 33, 37, 40, 43, 45, 49, 53, 57Pharmacy bill ($), y: 119, 123, 126, 134, 145, 148, 151, 153, 155A. 0.890B. 0.908C. 0.998D. 0.960
Which of the following is a plausible correlation for a person’s height and age from birth to age 10? a. 0.89 b. 0 c. -0.89
2.) The table shown below are the raw scores obtained by eight (8) students. Is there a relationship in their scores in Mathematics and in Biology? Use Pearson Product-Moment Coefficient of Correlation to establish the relationship. Student 1 3 4 6. 8. Mathematics (x) 6. 3. 4 3 Biology (y) 8. 3. 7 4
The correlation coefficient between variables X and Y is 0.62. What does this signify? Question 8Answer a. When Y increases 1, X increases by 0.62 b. When X increases by 1, Y increases by 0.62 c. The variance shared by X and Y is less 20% d. The variance shared by X and Y is 62%
The data below are the final exam scores of 10 randomly selected calculus students and the number of hours they slept the night before the exam. Calculate the linear correlation coefficient. Round to three decimal places. Hours, x Scores, y OA. 0.654 OB. 0.847 O C. 0.761 O D. 0.991 7 74 9 89 6 69 12 97 6 75 8 87 8 94 9 10 99 99 7 80 …….

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Calculate the correlation coefficient, r, for the data below. 0 y - 19 X 29 6 4 17 0 -8 -11 O A. 0.792 OB. 0.881 0.990 0.819 O C. O D. 3 578 1 15 - 10 -6 -3-17